body {
    background-color: #f4f4f4;
    color: #383838;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    font-weight: normal;

    font: normal 16px Arial, Helvetica, sans-serif;
    line-height: 1.5em;
}


button{
    background-color: #444444;
    color:#fff;
    padding: 10px 15px;
}

button:hover{
    background-color: red;
}

button:active{
    background-color: #fff;
}

a {
    text-decoration: antiquewhite;
    color: #555555;
}
a:hover {
    color: cyan;

}

a:visited {
    color: red;
}


.box1 {
    background-color: antiquewhite;
    color: royalblue;
    border: 5px blue solid;
    border-right: 5px red solid;
    border-left: 8px blue solid;
    border-top: pink solid;
    border-bottom: 1px green dotted;

    border-bottom-width: 8px;
    border-bottom-style: dashed;

    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 10px;
    padding-right: 10px;

    margin-top: 20px;
}

.box1 h1 {
    font-family: 'Times New Roman', Times, serif;
    font-weight: 800;
    font-style: italic;
    text-decoration: underline;
    text-transform: uppercase;
    letter-spacing: 1em;
    word-spacing: 2em;

}

.box2 {
    border: 5px dotted #db1111;
    padding: 20px;
    margin: 20px;
    position: relative;
    top: 30px;
    left: 30px;
}

.container {
    width: 80;
    margin: auto;
}

.list li {
    list-style:square;
    list-style-image: url('../image/check.png');
}

.block {
    float: left;
    width: 33.3%;
    border: 1px solid gray;
    box-sizing: border-box;
}

#main-block {
    float:left;
    width: 70%;
    border: 1px solid gray;
    box-sizing:border-box;
}
#sidebar {
    float:right;
    width: 30%;
    border:1px solid gray;
    box-sizing: border-box;
}

.list2 li:nth-child(even){
    background-color: gray ;
}

.list2 li:first-child {
    background-color: red;
}

.list2 li:nth-child(3) {
    color: aqua;
}

.position-box {
    width:500px;
    height:500px;
    border: 1px solid black;
    position:relative;
}

.position-box h1{
    position: absolute;
    top:50px;
}

.position-box h2{
    position:absolute;
    right:30px;
}

#fixed {
    position: fixed;
    right: 0;
    bottom:200px;
}